Google Guns for Facebook with Google+ Social NetworkGoogle is trying its hand again at social networking, introducing on Tuesday a service called Google+. Currently available only to a small group of testers, its aim is to enable sharing between small groups of people.

"By attaching a + immediately before a word (remember, don't add a space after the +), you are telling Google to match that word precisely as you typed it. Putting double quotes around a single word will do the same thing.